Following a good method is essential during an experiment. Learn the most important considerations with BBC Bitesize, for students aged between 11 and 14.

Learn about planning experiments and variables when working scientifically with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

We're often told it is "unscientific" or "meaningless" to ask what happened before the Big Bang. But a new paper by FQxI ...